WIPER AND WASHER SYSTEM > Washer Fluid Level Warning Switch Circuit

for Preparation Click here


DESCRIPTION

The combination meter receives washer fluid level warning switch condition (on or off) information to control the washer fluid level warning system.

WIRING DIAGRAM


E163839E04


INSPECTION PROCEDURE

1.INSPECT LEVEL WARNING SWITCH ASSEMBLY

HINT:
The following check should be performed with the windshield washer motor and pump installed to the washer jar.

  1. Fill the washer jar with washer fluid.



    E161938E05
  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    1 (S) - 2 (E)
    Fluid volume is more than 800 ml
    10 kΩ or higher
    1 (S) - 2 (E)
    Fluid volume is less than 600 ml
    Below 1 Ω

    Text in Illustration 
    *a
    Component without harness connected
    (Level Warning Switch Assembly)



NG
REPLACE LEVEL WARNING SWITCH ASSEMBLY (Click here)
OK


2.CHECK HARNESS AND CONNECTOR (LEVEL WARNING SWITCH - COMBINATION METER AND BODY GROUND)
  1. Disconnect the H19 combination meter assembly connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    H19-7 (WLVL) - A37-1 (S)
    Always
    Below 1 Ω
    A37-2 (E) - Body ground
    Always
    Below 1 Ω
    H19-7 (WLVL) - Body ground
    Always
    10 kΩ or higher



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)